Depression Health Center
This article is from the WebMD News Archive
Memory Loss Common Complaint With ECT
June 19, 2003 -- Supporters say the controversial treatment called electroconvulsive therapy (ECT) helps severely depressed patients who have few other medical options, but new research concludes that this help may come at a high price.
One third of the surveyed patients who had ECT, better known as "shock therapy," reported persistent memory loss as a result. Many patients had very conflicted feelings about ECT, lead researcher Diana Rose, PhD, tells WebMD.
"There is no doubt that some people thought that ECT was very beneficial for them, but we found that this group was much smaller than the professionals think," Rose says.
Two years ago, the U.K.'s Department of Health (DOH) commissioned two reviews evaluating past studies of ECT.
The first report, made public in March, found electroconvulsive therapy to be an effective treatment for severely depressed patients who do not respond to drug treatments.
In the latest review, published in the June 21 issue of the British Medical Journal, Rose and colleagues compiled data from seven separate studies. At least one-third of patients complained of persistent memory loss after ECT.
Patients reported memory loss and dissatisfaction with electroconvulsive therapy more often in surveys conducted by consumer groups than in those conducted by their doctors.
Rose says patients may not feel comfortable complaining about electroconvulsive therapy to their doctors. This could explain why Britain's leading psychiatric organization recently reported a satisfaction rate of 80% among patients who had undergone the treatment, she says. The group also concluded that memory loss was not a significant problem in ECT patients.
"Our research suggests that persistent memory loss is a problem for a substantial proportion of patients, and that this loss can be quite profound," Rose says. "We heard from people who had gaps in their memory that included whole years. One person said it was like losing her identity, because your memories make up your identity."
Psychiatrist E. Fuller Torrey, MD, says electroconvulsive therapy is an important treatment option for severely depressed patients who do not respond to other treatments. It is an especially important option for depressed patients who are suicidal, he says, because the benefits are immediate. Torrey is executive director of the Stanley Medical Research Institute in Bethesda, Md.
"It doesn't work on everyone, but I have had patients tell me that it is the only treatment they want, because it is the only treatment that works for them," he says.
John Geddes, MD, who led the other DOH-commissioned review, tells WebMD that the two studies paint a more balanced picture of the benefits and risks of a highly controversial therapy.
"ECT is not just a treatment from our history, it is a treatment that has a place in psychiatry today," he says. "But this new research illustrates the importance of telling patients about the potential side effects and being scrupulous in obtaining proper consent."
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Important Safety Information
Vimpat (lacosamide) is a medicine that is used with other medicines to treat partial onset seizures in patients 17 years of age and older with epilepsy. Vimpat is generally well-tolerated, but may not be for everyone. Ask your doctor if Vimpat is right for you. Antiepileptic drugs, including Vimpat, may cause suicidal thoughts or actions in a very small number of people, about 1 in 500. Call your healthcare provider right away if you have new or worsening symptoms of depression, any unusual changes in mood or behavior, or suicidal thoughts, behavior, or thoughts about self harm that you have never had before or may be worse than before. Please see additional patient information in the Medication Guide at the end of the full prescribing information. This information does not take the place of talking with your healthcare provider about your condition or your treatment. Please see additional Patient Safety Information
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